<script lang="ts" setup>
import type { BacktopProps } from "./backtop";

import { computed } from "vue";

import { ArrowUpToLine } from "@vben-core/icons";

import { VbenButton } from "../button";
import { useBackTop } from "./use-backtop";

interface Props extends BacktopProps {}

defineOptions({ name: "BackTop" });

const props = withDefaults(defineProps<Props>(), {
  bottom: 20,
  isGroup: false,
  right: 24,
  target: "",
  visibilityHeight: 200,
});

const backTopStyle = computed(() => ({
  bottom: `${props.bottom}px`,
  right: `${props.right}px`,
}));

const { handleClick, visible } = useBackTop(props);
</script>
<template>
  <transition name="fade-down">
    <VbenButton
      v-if="visible"
      :style="backTopStyle"
      class="dark:bg-accent dark:hover:bg-heavy bg-background hover:bg-heavy data shadow-float z-popup fixed bottom-10 size-10 rounded-full duration-500"
      size="icon"
      variant="icon"
      @click="handleClick"
    >
      <ArrowUpToLine class="size-4" />
    </VbenButton>
  </transition>
</template>
